• Monday

    — National Aeronautics and Space Administration (NASA),
    Online
    Streaming live at 14:00 EDT | 08:00 HST | UTC-4 on NASA YouTube channel, news conference participants include: Bill Spetch, operations integration manager, and spacewalk flight directors...

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Kennedy Space Center Visitor Complex FL, USA
    Astronaut Steven L. Smith flew as Mission Specialist on 3 Space Shuttles, Endeavor, Discovery and Atlantis, for 4 missions, STS-68, STS-82, STS-103 and STS-110. See him at...
    US$62 – US$187

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA Astronauts Jessica Meir and Chris Williams will conduct U.S. spacewalk 94, exiting the Quest airlock at about 08:00 EDT | 12:00 UTC | 02:00 HST (video coverage beginning...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Anticipated return to Launch Complex 39B of Artemis II stack -- SLS and Orion capsule -- ahead of anticipated April 1 launch for Moon flyby with 4...

    Monday

    — JPL, National Aeronautics and Space Administration (NASA),
    Online
    38th Annual Planetary Science Summer School (PSSS) is a 3-month early career experience at Jet Propulsion Laboratory in Pasadena CA for grad-level students, post docs, faculty members,...
  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    For U.S. spacewalk 95, planned for April, two NASA Astronauts (yet to be named) will prepare the station’s 3B power channel for a future solar array installation....
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.
    — National Aeronautics and Space Administration (NASA),
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Launch window 18:24-20:24 EDT (12:24-14:24 HST) for crew of 4 in Orion spacecraft on Moon flight to last 10-14 days; 3 USA and 1 Canada Astronaut: Commander...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Online
    NASA Postdoctoral Program offers US and international scientists the opportunity to advance their research while contributing to NASA’s scientific goals. The NPP supports fundamental science; explores the...

    Saturday

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
  • Saturday

    Tuesday

    Saturday

  • Friday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this...

    Tuesday

    — National Aeronautics and Space Administration (NASA), Solar System Exploration Research Virtual Institute (SSERVI),
    Moffett Field, Santa Clara County CA, USA
    Hosted by SSERVI Central Team at NASA Ames Research Center, Moffett Field CA, USA; online option available. The Forum will feature in-depth analyses of research targeting human...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 27th full year / begins 28th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Wednesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Saturday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Join observers around the world in learning about lunar science and exploration (and sharing your own Moon work!), making celestial observations, and honoring cultural and personal connections...

    Monday

    Saturday

  • Thursday

    Monday

    — National Aeronautics and Space Administration (NASA), Roscosmos State Corporation,
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on atmosphere, deployed Schiaparelli demonstration lander 19 Oct...

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Monday

  • Monday

    Friday

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.
  • Wednesday

    — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011...

    Friday

    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day via Ariane 5 ECA rocket in 2021.
    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, mineralogy, geology, and to search for traces...
  • Friday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing...
  • Monday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003: Commander Richard D. Husband, Mission Specialist Laurel...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...
  • Sunday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 38th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
  • Sunday

    Wednesday

    Sunday

  • Saturday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 51 years ago; originally scheduled for July 4, landing was delayed until this...
    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...

    Friday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 28th full year / begins 29th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Thursday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 1,000 km of 64-km diameter 3548 Eurybates asteroid and its 1-km...
    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 415 km of 21-km diameter 15094 Polymele asteroid which may be...

    Tuesday

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...
  • Friday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA craft reaches 6 full years in Space, about mid-way through planned 12-year mission to encounter 11 different asteroids.

    Tuesday

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Tuesday

  • Tuesday

    Saturday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.
  • Thursday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011...
  • Thursday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....

    Monday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing...
  • Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003: Commander Richard D. Husband, Mission Specialist Laurel...
  • Sunday

    — National Aeronautics and Space Administration (NASA),
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    1st crewed lunar landing since 1972, landing 1st Woman & 1st Person of Color on the Moon, and 1st crew to Moon South Pole; 30-day mission to...
  • Tuesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA's Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, planned to come within 1,000 km of 34-km diameter 11351 Leucus asteroid...

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 39th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
  • Friday

    Tuesday

  • Monday

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 52 years ago; originally scheduled for July 4, landing was delayed until this...
    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
  • Saturday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Friday

    — National Aeronautics and Space Administration (NASA),
    NASA Artemis 5th flight (4th crewed mission) lasting 30 days, planned to send 4 Astronauts to the Lunar Gateway to install the I-Hab module, and conduct a...

    Thursday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...
  • Sunday

    Tuesday

    Thursday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Thursday

  • Thursday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, to come within 1,000 km of 51-km diameter 21900 Orus asteroid (which...

    Monday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.
  • Saturday

    — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011...

    Monday

    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day via Ariane 5 ECA rocket in 2021.
  • Monday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....
  • Thursday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003: Commander Richard D. Husband, Mission Specialist Laurel...
  • Thursday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Asteroid 99942 Apophis Orbit
    OSIRIS-APophis EXplorer (OSIRIS-APEX) is planned rendezvous with and orbit asteroid Apophis starting today for 9 months following the asteroid’s close Earth approach which occurred April 13, 2029;...
  • Wednesday

  • Tuesday

    Friday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 53 years ago; originally scheduled for July 4, landing was delayed until this...
    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
  • Sunday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Monday

    Friday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Friday

  • Friday

    Tuesday

  • Tuesday

  • Thursday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Orbit
    Europa Clipper mission to insert into Jupiter orbit on this day to study Galileo moon Europa through a series of 44 close flybys (25 to 2,700 km);...
  • Thursday

  • Saturday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 54 years ago; originally scheduled for July 4, landing was delayed until this...
  • Monday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Saturday

  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Trajectory
    NASA mission to encounter 11 asteroids, including a main belt and 7 Jupiter Trojans, to perform Earth flyby / gravity assist today coming within 660 km after...
  • Wednesday

  • Tuesday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...
  • Tuesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Trojan camp at L5
    NASA Lucy mission to come within 1,000 km of 113-km diameter 617 Patroclus and 104-km diameter Menoetius, p-type binary asteroids; Lucy will be in a stable, 6-year...
  • Friday